Ultra-loud 120dB output ensures clear signals in noisy sports fields or outdoor training sessions
Durable ABS+PC composite shell with precision-molded airflow channels for consistent performance
Patented dual-chamber design delivers piercing high-frequency tones audible up to 800m
Military-grade silicone mouthpiece resists teeth marks and maintains hygiene during prolonged use
Integrated lanyard loop enables instant access during referee duties or animal training
Waterproof IPX5 construction withstands rain/sweat for reliable use in all weather conditions
Rechargeable lithium battery provides 15hr continuous operation with USB-C fast charging
Professional-grade weight balance (78g) prevents neck strain during marathon competitions
Multi-frequency selector switch adapts to soccer/basketball games or pigeon/dog training
CNC-machined brass core ensures vibration stability for zero distortion at peak volume






Recent Purchase
View All
Customer Reviews
Average Rating
4.5





4.5
2 global ratings
5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%
All Reviews
Image
Recommend
Recent
1***m

Helpful
Me encanta OKWISHING su precio y todo ! Pero me gustaría que fueran más rápido los envíos
Jul.25.2024

Helpful
Jul.25.2024
1***m

Helpful
I didn't get my package on time but i was so happy when it got home.
Dec.13.2024

Helpful
Dec.13.2024
- 1
Fei Electronics whistle super loud physical education teacher basketball football referee special competition pigeon training whistle charging
$23.43
category:
【Battery model】 Blue three sound effects
Yellow recommended to get 10 batteries
Black recommended to get 10 batteries
【Battery model】 Black three sound effects
【Battery model】 Red three -sound effect
Upgrade yellow with LED light
Upgrade [Charging model] Black [Hot Sale] 500 mAh
[Charging model] Red high -equipped built -in lithium battery
Upgrade blue belt LED light
[Charging model] Black high -equipped built -in lithium battery
Upgrade black belt LED light
[Charging model] Blue high -equipped built -in lithium battery
[Battery model] Black three -notes battery life upgrade
Quantity:
Add to Cart
Wishlist
Features
See More